CN212011916U - Overhead transmission line distance measuring device - Google Patents
Overhead transmission line distance measuring device Download PDFInfo
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- CN212011916U CN212011916U CN201922499219.1U CN201922499219U CN212011916U CN 212011916 U CN212011916 U CN 212011916U CN 201922499219 U CN201922499219 U CN 201922499219U CN 212011916 U CN212011916 U CN 212011916U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 56
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- 230000005611 electricity Effects 0.000 claims abstract description 10
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- 230000007613 environmental effect Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000005674 electromagnetic induction Effects 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000006698 induction Effects 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 description 6
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- 239000004020 conductor Substances 0.000 description 2
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Abstract
The utility model discloses an overhead transmission line distance measuring device, which comprises a distance measuring device main body hung on a transmission line, wherein the distance measuring device main body comprises a distance measuring device fixed in the distance measuring device main body, a first travelling mechanism and a second travelling mechanism which are respectively arranged at the front end and the rear end of the distance measuring device and used for drawing the distance measuring device main body to travel on the transmission line, and a first deicer and a second deicer which are respectively arranged at the front end and the rear end of the distance measuring device main body; the bottom of the distance measuring device main body is provided with a microwave sensor, an environmental parameter detection unit and an inclination sensor; a singlechip and a wireless communication unit are arranged in the distance measuring device main body, wherein the singlechip is respectively connected with the microwave sensor, the environmental parameter detection unit and the inclination sensor, and the wireless communication unit is connected with the singlechip; the electricity taking device is used for supplying power to the distance measuring device after being processed by the power supply unit.
Description
Technical Field
The utility model relates to an overhead transmission line range unit.
Background
With the rapid development of the electric power industry in China, the requirements of people on the safety and the reliability of an electric power system are higher and higher. The high-voltage overhead transmission line is one of important components of a power transmission system, and needs to be effectively monitored in real time in order to ensure the safety and reliability of the power system. Sag detection is one of important contents for monitoring a power transmission line, and sag is the vertical distance between the lowest point of a wire and a connecting line between two suspension points on a flat ground when the suspension heights of the wires on two adjacent base electric poles are the same. Generally, when the transmission distance is long, due to the self weight of the conductor, an arc sag is formed, so that the conductor is in the shape of a catenary. If the sag is too small, the load of the tower is increased, and further accidents such as wire breakage, tower falling, string falling and the like can occur; if the arc sag is too large, the wire can contact trees, buildings and the like on the ground and discharge electricity, so that the line is tripped and powered off. Because the transmission line is influenced by the natural environment for a long time, the sag changes to a certain extent, and the sag needs to be detected so as to ensure the safe operation of the transmission line. At present, the sag monitoring of the power transmission line mainly adopts a manual inspection method, but the manual inspection method has low efficiency and low accuracy,
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an overhead transmission line range unit to solve the problem that overhead transmission line sag detection efficiency is low.
In order to solve the technical problem, the utility model provides an overhead transmission line distance measuring device, including hanging the distance measuring device main part of establishing on the transmission line, the distance measuring device main part includes the electrical apparatus of getting fixed in the distance measuring device main part, sets up respectively at the front end and the rear end of getting the electrical apparatus and be used for drawing the first running gear and the second running gear of distance measuring device main part walking on the transmission line and install respectively at the first defroster and the second defroster at both ends around the distance measuring device main part; the bottom of the distance measuring device main body is provided with a microwave sensor, an environmental parameter detection unit and an inclination sensor; a singlechip and a wireless communication unit are arranged in the distance measuring device main body, wherein the singlechip is respectively connected with the microwave sensor, the environmental parameter detection unit and the inclination sensor, and the wireless communication unit is connected with the singlechip; the electricity taking device is used for supplying power to the distance measuring device after being processed by the power supply unit.
Further, the environment parameter detection unit comprises a humidity sensor and a temperature sensor which are respectively connected with the single chip microcomputer.
Further, the distance measuring device main body is provided with a broadcaster electrically connected with the single chip microcomputer.
Furthermore, the first deicer and the second deicer are identical in structure and respectively comprise a heating sleeve of the first wire passing channel matched with the power transmission line, and an inner cavity of the heating sleeve is connected with the fan through an air supply pipe; the side part of the first wire passing channel is provided with an opening part for the upper wire and the lower wire, and the power transmission wire enters and exits the first wire passing channel through the opening part; a heating wire is arranged in the heating sleeve, and the temperature of the heating wire is adjusted by a temperature controller; the temperature controller and the extension set are electrically connected with the output end of the single chip microcomputer.
Further, a first cutting knife which is horizontally arranged is installed on the front side of the first deicer, and a knife edge of the first cutting knife faces the front side of the first deicer; and a horizontally arranged second cutting knife is arranged at the rear side of the second deicer, and the knife edge of the second cutting knife faces the rear side of the second deicer.
Further, the electricity taking device comprises an upper shell and a lower shell which are detachably connected; a groove is formed in the middle of one surface, in contact with the upper shell, of the lower shell, a second wire passing channel is formed by the upper shell and the groove, and the power transmission line is arranged in the second wire passing channel; the deicer comprises a heating sleeve, and the power supply unit comprises an induction power taking module for inductively taking power from a power transmission line and a power supply circuit connected with the induction power taking module; the induction electricity taking module comprises an upper electromagnetic induction iron core with a straight-line-shaped section and a lower electromagnetic induction iron core with a U-shaped section, the upper electromagnetic induction iron core and the lower electromagnetic induction iron core enclose to form a four-frame-shaped structure with an air gap in the section, a power transmission line is arranged in the middle of the four-frame-shaped structure, and an induction coil is wound on the lower electromagnetic induction iron core; the power supply circuit comprises a rectifying circuit, a front-end voltage stabilizing circuit and a voltage conversion circuit which are sequentially connected, wherein the input end of the rectifying circuit is connected with a secondary winding of the induction power taking module; the upper electromagnetic induction iron core is arranged in the upper shell, and the lower electromagnetic induction iron core is arranged in the lower shell.
Furthermore, a GPS module connected with the single chip microcomputer is further arranged in the ranging device body.
The utility model has the advantages that: when the device is used, the distance measuring device is hung on an overhead power transmission line, and whether the distance measuring device body is in a parallel state or not is sensed by arranging the inclination sensor, so that the distance measuring device body can be ensured to be positioned at the center point of the sag, and the measuring precision is improved; when the distance measuring device main body is located at the central point of the arc sag, the microwave sensor arranged downwards is started to measure the distance between the distance measuring device main body and the ground or the barrier below, and then the distance between the lowest point of the wire and the ground or the barrier below can be obtained. And two are equipped with defroster and cutting knife respectively in range unit's front and back, can carry out deicing operation and clearance barrier operation to overhead transmission line under running gear's traction.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a deicer according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a power supply according to an embodiment of the present invention.
1. A first deicer; 11. heating a jacket; 12. an air supply pipe; 13. a fan; 14. heating wires; 15. a temperature controller; 16. a first wire passage; 17. an opening part; 2. a first running wheel; 21. a first drive motor; 3. taking out an electric appliance; 31. a second wire passage; 32. an upper housing; 33. a lower housing; 4. a second road wheel; 41. a second drive motor; 5. a second deicer; 6. a power supply circuit; 61. an electromagnetic induction iron core is arranged; 62. a lower electromagnetic induction core; 63. an induction coil; 7. a single chip microcomputer; 71. a microwave sensor; 72. a wireless communication unit; 73. a humidity sensor; 74. a temperature sensor; 75. a tilt sensor; 8. a first cutter; 81. a second cutter; 9. a broadcaster.
Detailed Description
The ranging device for the overhead transmission line shown in fig. 1 comprises a ranging device main body hung on a transmission line, wherein the ranging device main body comprises a power taking device 3 fixed in the ranging device main body, a first travelling mechanism and a second travelling mechanism which are respectively arranged at the front end and the rear end of the power taking device 3 and used for drawing the ranging device main body to travel on the transmission line, and a first deicer 1 and a second deicer 5 which are respectively arranged at the front end and the rear end of the ranging device main body; the bottom of the distance measuring device main body is provided with a microwave sensor 71, an environmental parameter detection unit and an inclination sensor 75; a singlechip 7 and a wireless communication unit 72 are arranged in the distance measuring device main body, wherein the singlechip 7 is respectively connected with the microwave sensor 71, the environmental parameter detection unit and the inclination sensor 75, and the wireless communication unit 72 is connected with the singlechip 7; and the electricity taking device 3 is used for supplying power to the distance measuring device after being processed by the power supply unit. The walking mechanism comprises a walking wheel matched with the power transmission line and a driving motor used for driving the walking wheel to walk. The front side and the rear side in the present application are not necessarily, and the front and rear sides of the distance measuring device body in the present application are front and rear sides with respect to the traveling direction of the distance measuring device body.
When the device is used, the distance measuring device is hung on an overhead power transmission line, and whether the distance measuring device body is in a parallel state or not is sensed by arranging the inclination sensor 75, so that the distance measuring device body can be ensured to be positioned at the center point of sag, and the measuring precision is improved; when the distance measuring device main body is positioned at the central point of the arc sag, the microwave sensor 71 which is arranged downwards is started to measure the distance between the distance measuring device main body and the ground or the barrier below, and then the distance between the lowest point of the wire and the ground or the barrier below can be obtained. And two are equipped with defroster and cutting knife respectively in range unit's front and back, can carry out deicing operation and clearance barrier operation to overhead transmission line under running gear's traction.
According to one embodiment of the present application, the environment parameter detection unit includes a humidity sensor 73 and a temperature sensor 74 respectively associated with the single chip microcomputer 7. Gather current ambient temperature and humidity through humidity transducer 73 and temperature sensor 74, the staff can judge whether the power transmission line freezes according to the temperature and the humidity of gathering, when the temperature is less than below the zero degree and humidity is greater than the threshold value that freezes, then can judge that the power transmission line freezes, starts running gear and defroster work through singlechip 7 and carries out deicing operation. And stopping when the temperature is higher than zero or the humidity is lower than an icing threshold.
According to one embodiment of the application, the distance measuring device body is provided with a broadcaster 9 electrically connected with the single chip microcomputer 7, and the bird can be effectively repelled by regularly carrying out voice broadcasting on the distance measuring device body.
According to one embodiment of the present application, the first deicer 1 and the second deicer 5 are identical in structure, as shown in fig. 2, and each comprises a heating jacket 11 of a first wire passing channel 16 matched with a power transmission line, wherein the internal cavity of the heating jacket 11 is connected with a fan 13 through a blast pipe 12; an opening part 17 facilitating the up and down wiring is arranged at the side part of the first wiring channel 16, and the power transmission line enters and exits the first wiring channel 16 from the opening part 17; a heating wire 14 is arranged in the heating sleeve 11, and the temperature of the heating wire 14 is adjusted through a temperature controller 15; the temperature controller 15 and the extension are electrically connected with the output end of the singlechip 7. This application adopts heat radiation to come the icing on clear transmission line surface, and this defroster can implement the deicing under the electrified condition of transmission line, has ensured the steady operation of electric wire netting.
According to one embodiment of the application, a horizontally arranged first cutter 8 is installed on the front side of the first deicer 1, and the knife edge of the first cutter 8 faces the front side of the first deicer 1; a second cutting knife 81 which is horizontally arranged is installed at the rear side of the second deicer 5, and the knife edge of the second cutting knife 81 faces the rear side of the second deicer 5. In the walking process of the distance measuring device main body, the obstacles hung on the power transmission line can be cut through the cutting knife, and the cutting knife is installed on the distance measuring device main body in a detachable mode so as to be convenient to replace.
According to one embodiment of the present application, as shown in fig. 3, the electricity taker 3 comprises an upper case 32 and a lower case 33 detachably connected; a groove is arranged in the middle of one surface of the lower shell 33, which is in contact with the upper shell 32, the upper shell 32 and the groove form a second wire passing channel 31, and the power transmission line is arranged in the second wire passing channel 31; the deicer comprises a heating sleeve 11, and the power supply unit comprises an induction power taking module for induction power taking from the power transmission line and a power supply circuit 6 connected with the induction power taking module; the induction electricity taking module comprises an upper electromagnetic induction iron core 61 with a straight-line-shaped section and a lower electromagnetic induction iron core 62 with a U-shaped section, the upper electromagnetic induction iron core 61 and the lower electromagnetic induction iron core 62 are enclosed into a four-frame-shaped structure with an air gap in the section, a power transmission line is arranged in the middle of the four-frame-shaped structure, and an induction coil 63 is wound on the lower electromagnetic induction iron core 62; the power supply circuit 6 comprises a rectifying circuit, a front-end voltage stabilizing circuit and a voltage conversion circuit which are sequentially connected, and the input end of the rectifying circuit is connected with the secondary winding of the induction power taking module; the upper electromagnetic induction core 61 is built in the upper case 32, and the lower electromagnetic induction core 62 is built in the lower case 33. This application gets the electric mode through the response and provides long-term, stable power supply guarantee for range unit, guarantee transmission line safe operation.
According to an embodiment of the application, still be equipped with in the range unit main part with the GPS module that the singlechip is connected can conveniently fix a position the range unit main part to in overhaul.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The distance measuring device for the overhead transmission line is characterized by comprising a distance measuring device body hung on the transmission line, wherein the distance measuring device body comprises a power taking device fixed in the distance measuring device body, a first travelling mechanism and a second travelling mechanism which are respectively arranged at the front end and the rear end of the power taking device and used for drawing the distance measuring device body to travel on the transmission line, and a first deicer and a second deicer which are respectively arranged at the front end and the rear end of the distance measuring device body; the bottom of the distance measuring device main body is provided with a microwave sensor, an environmental parameter detection unit and an inclination sensor; a singlechip and a wireless communication unit are arranged in the distance measuring device main body, wherein the singlechip is respectively connected with the microwave sensor, the environmental parameter detection unit and the inclination sensor, and the wireless communication unit is connected with the singlechip; the electricity taking device is used for supplying power to the distance measuring device after being processed by the power supply unit.
2. The overhead transmission line ranging device of claim 1, wherein the environmental parameter detection unit comprises a humidity sensor and a temperature sensor respectively connected to the single chip microcomputer.
3. The overhead transmission line ranging device of claim 1, wherein a broadcaster electrically connected to the single chip microcomputer is installed to the ranging device main body.
4. The overhead transmission line ranging device according to claim 1, wherein the first deicer and the second deicer are identical in structure and each comprise a heating jacket of a first wire passing channel matched with the transmission line, and an internal cavity of the heating jacket is connected with a fan through an air supply pipe; the side part of the first wire passing channel is provided with an opening part for the upper wire and the lower wire, and the power transmission wire enters and exits the first wire passing channel through the opening part; a heating wire is arranged in the heating sleeve, and the temperature of the heating wire is adjusted by a temperature controller; the temperature controller and the extension set are electrically connected with the output end of the single chip microcomputer.
5. The overhead transmission line ranging device according to claim 1, wherein a horizontally arranged first cutter is installed on a front side of the first deicer, and a knife edge of the first cutter faces the front side of the first deicer; and a horizontally arranged second cutting knife is arranged at the rear side of the second deicer, and the knife edge of the second cutting knife faces the rear side of the second deicer.
6. The overhead transmission line ranging device of claim 1, wherein the power takeoff comprises an upper housing and a lower housing which are detachably connected; a groove is formed in the middle of one surface, in contact with the upper shell, of the lower shell, a second wire passing channel is formed by the upper shell and the groove, and the power transmission line is arranged in the second wire passing channel; the deicer comprises a heating sleeve, and the power supply unit comprises an induction power taking module for inductively taking power from a power transmission line and a power supply circuit connected with the induction power taking module; the induction electricity taking module comprises an upper electromagnetic induction iron core with a straight-line-shaped section and a lower electromagnetic induction iron core with a U-shaped section, the upper electromagnetic induction iron core and the lower electromagnetic induction iron core enclose to form a four-frame-shaped structure with an air gap in the section, a power transmission line is arranged in the middle of the four-frame-shaped structure, and an induction coil is wound on the lower electromagnetic induction iron core; the power supply circuit comprises a rectifying circuit, a front-end voltage stabilizing circuit and a voltage conversion circuit which are sequentially connected, wherein the input end of the rectifying circuit is connected with a secondary winding of the induction power taking module; the upper electromagnetic induction iron core is arranged in the upper shell, and the lower electromagnetic induction iron core is arranged in the lower shell.
7. The overhead transmission line ranging device according to claim 1, wherein a GPS module connected to the single chip microcomputer is further provided in the ranging device body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499219.1U CN212011916U (en) | 2019-12-31 | 2019-12-31 | Overhead transmission line distance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499219.1U CN212011916U (en) | 2019-12-31 | 2019-12-31 | Overhead transmission line distance measuring device |
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| CN212011916U true CN212011916U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922499219.1U Active CN212011916U (en) | 2019-12-31 | 2019-12-31 | Overhead transmission line distance measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116914676A (en) * | 2023-08-10 | 2023-10-20 | 国网吉林省电力有限公司松原供电公司 | Combined type high-voltage transmission line icing clearing device |
-
2019
- 2019-12-31 CN CN201922499219.1U patent/CN212011916U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116914676A (en) * | 2023-08-10 | 2023-10-20 | 国网吉林省电力有限公司松原供电公司 | Combined type high-voltage transmission line icing clearing device |
| CN116914676B (en) * | 2023-08-10 | 2024-01-19 | 国网吉林省电力有限公司松原供电公司 | Combined type high-voltage transmission line icing clearing device |
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